core: Enable new performance optimizations

These two optional optimzations take a little codespace but improve
bytecode performance:
 * micropython#7680
 * micropython#7688

Author: jepler

py/circuitpy_mpconfig.h

@@ -77,6 +77,8 @@
 #define MICROPY_NONSTANDARD_TYPECODES    (0)
 #define MICROPY_OPT_COMPUTED_GOTO        (1)
 #define MICROPY_OPT_COMPUTED_GOTO_SAVE_SPACE (CIRCUITPY_COMPUTED_GOTO_SAVE_SPACE)
+#define MICROPY_OPT_LOAD_ATTR_FAST_PATH  (CIRCUITPY_OPT_LOAD_ATTR_FAST_PATH)
+#define MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE (CIRCUITPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE)
 #define MICROPY_PERSISTENT_CODE_LOAD     (1)
 
 #define MICROPY_PY_ARRAY                 (1)

py/circuitpy_mpconfig.mk

@@ -145,6 +145,17 @@ CFLAGS += -DCIRCUITPY_DIGITALIO=$(CIRCUITPY_DIGITALIO)
 CIRCUITPY_COMPUTED_GOTO_SAVE_SPACE ?= 0
 CFLAGS += -DCIRCUITPY_COMPUTED_GOTO_SAVE_SPACE=$(CIRCUITPY_COMPUTED_GOTO_SAVE_SPACE)
 
+CIRCUITPY_OPT_LOAD_ATTR_FAST_PATH ?= 1
+CFLAGS += -DCIRCUITPY_OPT_LOAD_ATTR_FAST_PATH=$(CIRCUITPY_OPT_LOAD_ATTR_FAST_PATH)
+
+# This is disabled because it changes the bytecode format. We could choose to enable it
+# when we go to 8.x, but probably not for 7.1.
+CIRCUITPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE ?= 0
+CFLAGS += -DCIRCUITPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE=$(CIRCUITPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE)
+ifeq ($(CIRCUITPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE),1)
+MPY_CROSS_FLAGS += -mcache-lookup-bc
+endif
+
 CIRCUITPY_CONSOLE_UART ?= 0
 CFLAGS += -DCIRCUITPY_CONSOLE_UART=$(CIRCUITPY_CONSOLE_UART)